gabriel johnson was last seen in san antonio with his mom. she was arrested in florida a few days later without him. so far, she won't say where baby gabriel is. jack and tammy smith at one time wanted to adopt him and were named persons of interest by police in arizona. investigators say they knew more than they were letting on. they think baby gabriel is still alive. they're asking anyone with information about him to call the national center for missing and exploited children. it's 1-800-the-lost. >>> about 100 protesters massed outside a los angeles court. inside the former transit city police officer accused of fatally shooting oscar grant in a san francisco bay area train station on new year's day last year. johannes mehserle has pleaded not guilty to murder charges. the trial was moved to los angeles. during yesterday's pretrial hearing, a judge said cameras would not be allowed in the courtroom. the whole shooting was caught on tape by several bystanders and posted on the web. it sparked several protests in the bay area in the days af